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1. WO2014144655 - MODELED ATMOSPHERIC CORRECTION OBJECTS

Publication Number WO/2014/144655
Publication Date 18.09.2014
International Application No. PCT/US2014/029156
International Filing Date 14.03.2014
IPC
G06F 19/00 2011.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
19Digital computing or data processing equipment or methods, specially adapted for specific applications
CPC
B64G 1/1021
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
1Cosmonautic vehicles
10Artificial satellites; Systems of such satellites; Interplanetary vehicles
1021Earth observation satellites
G01C 11/04
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
11Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
04Interpretation of pictures
G06K 9/0063
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
00624Recognising scenes, i.e. recognition of a whole field of perception; recognising scene-specific objects
0063Recognising patterns in remote scenes, e.g. aerial images, vegetation versus urban areas
G06K 9/4661
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
36Image preprocessing, i.e. processing the image information without deciding about the identity of the image
46Extraction of features or characteristics of the image
4661related to illumination properties, e.g. according to a reflectance or lighting model
G06T 2207/10036
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
10Image acquisition modality
10032Satellite or aerial image; Remote sensing
10036Multispectral image; Hyperspectral image
G06T 2207/30184
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
30Subject of image; Context of image processing
30181Earth observation
30184Infrastructure
Applicants
  • DIGITALGLOBE, INC. [US]/[US]
Inventors
  • LEONARD, Victor
  • PACIFICI, Fabio
Agents
  • CROUCH, Robert G.
Priority Data
13/844,30915.03.2013US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) MODELED ATMOSPHERIC CORRECTION OBJECTS
(FR) OBJETS DE CORRECTION ATMOSPHÉRIQUE MODÉLISÉE
Abstract
(EN) Techniques for making, using and updating a Modeled Atmospheric Correction Object (MACO) cluster and the MACO sites that are selected from within a given MACO cluster. The MACO construct is a novel application of a Model of Reality (MOR) that provides synthetic ground truth essential to converting imagery from top-of-the-atmosphere radiance to surface reflectance given a variety of spatial, spectral and radiance effects involving non-uniform distributions of opaque clouds, cirrus clouds, aerosols, water vapor, surface ice, surface snow, shadows and bidirectional reflectance distribution function (BRDF) effects.
(FR) L'invention concerne des techniques de fabrication, d'utilisation et de mise à jour d'un groupement d'objets de correction atmosphérique modélisée (MACO) et les site MACO qui sont sélectionnés à l'intérieur d'un groupement MACO donné. La construction MACO est une nouvelle application d'un modèle de réalité (MOR) qui utilise une réalité de terrain synthétique essentielle pour convertir une imagerie du haut de la radiance atmosphérique à une réflectance de surface en une variété d'effets spatiaux, spectraux et de radiance impliquant des distributions non uniformes de nuages opaques, de nuages cirrus, d'aérosols, de vapeur d'eau, de glace de surface, de neige de surface, d'ombres, et des effets de fonction de distribution de réflectance bidirectionnelle (BRDF).
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